

print("&&&&& 列表排序  @@@@")
chars = ['a','c','t' , 'd','s']
chars.insert(3,'#')
chars.insert(3,'!')
chars.insert(3,'@')
print(" before :",chars)
chars.sort()
print(" after sort :",chars)
chars.reverse()
print(" after reverse :",chars)
letters = ['A','C','N']
chars.extend(letters)
print(" after extend :",chars)
chars = chars + ['1',2,8]
print(" after + :",chars)



# print("$$$$$$$$ 列表循环  @@@@")
# lineNumber = [1,3,4,2,6]
# for value in lineNumber :
#     print(value)
# print("$$$$$$$$ range列表  @@@@")
# rangeNumber = range(13,19)
# for number in rangeNumber :
#     print(number)

